diff --git a/contracts/interfaces/IEntryPoint.sol b/contracts/interfaces/IEntryPoint.sol
index ad434b8..bed7d3f 100644
--- a/contracts/interfaces/IEntryPoint.sol
+++ b/contracts/interfaces/IEntryPoint.sol
@@ -48,7 +48,7 @@ interface IEntryPoint is IStakeManager {
     /**
      * signature aggregator used by the following UserOperationEvents within this bundle.
      */
-    event SignatureAggregatorChanged(address aggregator);
+    event SignatureAggregatorChanged(address indexed aggregator);
 
     /**
      * a custom revert error of handleOps, to identify the offending op.
diff --git a/reports/gas-checker.txt b/reports/gas-checker.txt
index baa5460..91d0a3b 100644
--- a/reports/gas-checker.txt
+++ b/reports/gas-checker.txt
@@ -1,35 +1,35 @@
 == gas estimate of direct calling the account's "execFromEntryPoint" method
    the destination is "account.nonce()", which is known to be "hot" address used by this account
    it little higher than EOA call: its an exec from entrypoint (or account owner) into account contract, verifying msg.sender and exec to target)
-- gas estimate "simple" - 31021
+- gas estimate "simple" - 31045
 - gas estimate "big tx 5k" - 127295
 ╔════════════════════════════════╤═══════╤═══════════════╤════════════════╤═════════════════════╗
 ║ handleOps description          │ count │ total gasUsed │ per UserOp gas │ per UserOp overhead ║
 ║                                │       │               │     (delta for │        (compared to ║
 ║                                │       │               │    one UserOp) │     account.exec()) ║
 ╟────────────────────────────────┼───────┼───────────────┼────────────────┼─────────────────────╢
-║ simple                         │     1 │         78099 │                │                     ║
+║ simple                         │     1 │         78111 │                │                     ║
 ╟────────────────────────────────┼───────┼───────────────┼────────────────┼─────────────────────╢
-║ simple - diff from previous    │     2 │               │          43597 │               12576 ║
+║ simple - diff from previous    │     2 │               │          43585 │               12540 ║
 ╟────────────────────────────────┼───────┼───────────────┼────────────────┼─────────────────────╢
-║ simple                         │    10 │        470509 │                │                     ║
+║ simple                         │    10 │        470521 │                │                     ║
 ╟────────────────────────────────┼───────┼───────────────┼────────────────┼─────────────────────╢
-║ simple - diff from previous    │    11 │               │          43744 │               12723 ║
+║ simple - diff from previous    │    11 │               │          43708 │               12663 ║
 ╟────────────────────────────────┼───────┼───────────────┼────────────────┼─────────────────────╢
 ║ simple paymaster               │     1 │         84411 │                │                     ║
 ╟────────────────────────────────┼───────┼───────────────┼────────────────┼─────────────────────╢
-║ simple paymaster with diff     │     2 │               │          42598 │               11577 ║
+║ simple paymaster with diff     │     2 │               │          42586 │               11541 ║
 ╟────────────────────────────────┼───────┼───────────────┼────────────────┼─────────────────────╢
-║ simple paymaster               │    10 │        468002 │                │                     ║
+║ simple paymaster               │    10 │        467990 │                │                     ║
 ╟────────────────────────────────┼───────┼───────────────┼────────────────┼─────────────────────╢
-║ simple paymaster with diff     │    11 │               │          42710 │               11689 ║
+║ simple paymaster with diff     │    11 │               │          42746 │               11701 ║
 ╟────────────────────────────────┼───────┼───────────────┼────────────────┼─────────────────────╢
 ║ big tx 5k                      │     1 │        179834 │                │                     ║
 ╟────────────────────────────────┼───────┼───────────────┼────────────────┼─────────────────────╢
-║ big tx - diff from previous    │     2 │               │         144910 │               17615 ║
+║ big tx - diff from previous    │     2 │               │         144934 │               17639 ║
 ╟────────────────────────────────┼───────┼───────────────┼────────────────┼─────────────────────╢
-║ big tx 5k                      │    10 │       1489641 │                │                     ║
+║ big tx 5k                      │    10 │       1489629 │                │                     ║
 ╟────────────────────────────────┼───────┼───────────────┼────────────────┼─────────────────────╢
-║ big tx - diff from previous    │    11 │               │         146391 │               19096 ║
+║ big tx - diff from previous    │    11 │               │         146451 │               19156 ║
 ╚════════════════════════════════╧═══════╧═══════════════╧════════════════╧═════════════════════╝